Jaisawal, Gaurava K.; Naik, Sachindra; Ho, Wynn C. G.; Kumari, Neeraj; Epili, Prahlad; Vasilopoulos, Georgios
(Royal Astronomical Society, 2020-09)
We present the results obtained from the analysis of high-mass X-ray binary pulsar 4U 1909+07 using NuSTAR and Astrosat observations in July 2015 and 2017, respectively. X-ray pulsations at ≈604 s are clearly detected in ...